The SMTP Client Deux Pro source requires the TCP Deux component. TCP Deux is available from Deep Sky Technologies, Inc., and provides TCP communications functionality needed for the implementation of the SMTP protocol.

The SMTP Client Deux Pro source also requires the BASh component. BASh is available from Deep Sky Technologies, Inc., for free and provides an extensive set of functionality to any 4D based project.

All platforms, including MacOS v8.x, MacOS v9.x, MacOS X, and Windows 95/98/2000/NT/XP can be used for development and deployment with the SMTP Client Deux Pro source.

A full manual, explaining every call and feature available in SMTP Client Deux Pro source, is included with the component. The source code also includes complete and thorough documentation and comments within the code.